You're right, I'm sorry. I went back and looked at my angled pouches on the belt. I swapped screws to a smaller head rather than the large pan head that Safariland sends, and elongated the slots slightly to allow for more cant. I had forgotten I did this, sorry to lead you on.
Though AHI does have a point; I wonder if you could line up the lower tension screw point and run a regular post and screw arrangement that way, in conjunction with one of the standard mounting holes?